Question

1. Resolva.
a) 2x = 0
b) 2x = +2
c) 2x = - 4
d) 2x = -2
e) 2x = 4
f) 2x = 1
g) 2x = -1​

Answer 1

Resposta:

A. x=0

2x=0

x=0

b. x= +1

2x=+2

2÷2=1

c. x=-2

2x=-4

-4÷2=-2

d. x= -1

2x=-2

-2÷2= -1

e. x=2

2x= 4

4÷2=2

f. x=0,5

2x=1

1÷2=0,5

g. x= -0,5

2x= -1

-1÷2=-0,5